[amsat-bb] Re: Question adding RHCP to Cheap Yagi

Hi Howard:

Thanks..I've looked at alot of your info on-line--especially the sub-500GBP AO-40 setup.

I guess I still don't get it..if I just feed them in-phase with both connections same polarity, what controls RH v. LH?

Or is it RH if the front half loop is to the right and LH if the front half-loop is to the left?

Thanks

Curt

Too cold to not get it right on the first try!!

Howard Long wrote:

Hi Curt.

Either way will work.

http://www.g6lvb.com/AO-40%2070cm%20uplink%20antenna.htm

I have had superb success with mine, in fact during the days of AO-40 I worked the world with it as an uplink antenna with 50W.

http://www.g6lvb.com/3A2%20ops.htm http://www.g6lvb.com/dayton_demo_2002.htm

73, Howard G6LVB

-----Original Message----- From: amsat-bb-bounces@amsat.org [mailto:amsat-bb-bounces@amsat.org] On Behalf Of Curt Nixon Sent: 02 January 2009 15:19 To: AMSAT-BB Subject: [amsat-bb] Question adding RHCP to Cheap Yagi

Good Morning All:

I've been using a 10el version of Kent Britain's Cheap yagi for my 70cm downlink antenna. It suffers from deep fades so I am going to add the second yagi with physical offset to get to RHCP in the x config.

Question is:

normally I would reverse the coax connections to a dipole driver but this is a hairpin (half of a folded dipole. )

Do I reverse the connections as normal? Kents instructions just say offset the elements and feed in phase.

Thanks

Curt KU8L

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